11012112201977 has 2 divisors, whose sum is σ = 11012112201978. Its totient is φ = 11012112201976.

The previous prime is 11012112201911. The next prime is 11012112202009. The reversal of 11012112201977 is 77910221121011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9025193606416 + 1986918595561 = 3004196^2 + 1409581^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012112201977 - 2¹⁰ = 11012112200953 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012112221977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506056100988 + 5506056100989.

It is an arithmetic number, because the mean of its divisors is an integer number (5506056100989).

Almost surely, 2^{11012112201977} is an apocalyptic number.

It is an amenable number.

11012112201977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012112201977 is an equidigital number, since it uses as much as digits as its factorization.

11012112201977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 35.

Adding to 11012112201977 its reverse (77910221121011), we get a palindrome (88922333322988).

The spelling of 11012112201977 in words is "eleven trillion, twelve billion, one hundred twelve million, two hundred one thousand, nine hundred seventy-seven".